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import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
import supybot.conf as conf
import requests


class Azure(callbacks.Plugin):


    def translate(self, irc, msg, args, optlist, text):
        """[--from <source>] [--to <target>] <text>
        Translate text using Microsoft Azure. Uses automatic language detection if source not
        set. No target uses the plugin default.
        https://docs.microsoft.com/en-us/azure/cognitive-services/translator/language-support
        """
        optlist = dict(optlist)
        if 'from' in optlist:
            source = optlist.get('from')
        else:
            source = self.registryValue('translate.source')
        if 'to' in optlist:
            target = optlist.get('to')
        else:
            target = self.registryValue('translate.target')
        if source != 'auto':
            url = 'https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&to={0}&from={1}'.format(target, source)
        else:
            url = 'https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&to={0}'.format(target)
        key = self.registryValue('translate.key')
        headers = {
        'Ocp-Apim-Subscription-Key': key,
        'Content-type': 'application/json'
        }
        body = [{
        'text' : text
        }]
        response = requests.post(url, headers=headers, json=body)
        response.raise_for_status()
        result = response.json()
        if result[0].get('detectedLanguage'):
            reply = "{0} [{1}~>{2}]".format(result[0]['translations'][0]['text'], result[0]['detectedLanguage']['language'], target)
        else:
            reply = "{0} [{1}~>{2}]".format(result[0]['translations'][0]['text'], source, target)
        irc.reply(reply)
    translate = wrap(translate, [getopts({'from':'text', 'to':'text'}), 'text'])


Class = Azure